VB中默认的数据类型是什么

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select * from tbl_Articles WHERE ArticleID=3158354 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3158354 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3158354 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(1065091,983947,1045923,1104707,1108377,1044673,1109372,1089008,3030228,1062702,1070498,1062248,1079063,1077569,1083059,1076554,1098277,1049174,1132757,1132313,1086262,1077100,1072403,1072703,1071055,1064833,1084083,2247196,1120801,2811177) ORDER BY field (ArticleID,1065091,983947,1045923,1104707,1108377,1044673,1109372,1089008,3030228,1062702,1070498,1062248,1079063,1077569,1083059,1076554,1098277,1049174,1132757,1132313,1086262,1077100,1072403,1072703,1071055,1064833,1084083,2247196,1120801,2811177)